Process evaluation component | Assessment |
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Context | • Data collected on a site proforma detailing site demographics, ethnicity, size, services delivered etc. |
• Data on those delivering the intervention | |
• Data from two site observations completed at different time points in the intervention delivery period using a structured observation guide. | |
• Contextual issues explored in the staff focus groups and participant interviews | |
Reach | • Attendance at the group sessions |
• Comparison of characteristics of those attending the intervention with those not attending | |
• Reach explored in the staff focus groups and participant interviews | |
Exposure | • Number of group sessions delivered |
• Data from group session summary forms which describe those attending and the content/timings of sessions | |
• Data from site observations (two per site) | |
• Attendance at group sessions | |
• Exposure and attendance explored in the staff focus groups and participant interviews | |
• Data gathered on use of pedometers, step targets and walking diary completion | |
Fidelity | • Data from site observations (two per site) |
• Data from group session summary forms which describes how the intervention was implemented at each session | |
• Fidelity explored in the staff focus groups and participant interviews | |
Recruitment | • Comparison of demographics of sites recruited |
• Recruitment rates compared across sites in terms of how many recruited, who is recruited and also how quickly people are recruited | |
• Comparison of potentially eligible women with those recruited using data from case report forms and screening forms | |
• Recruitment issues explored in the staff focus groups and participant interviews | |
Retention | • Dropout by trial arm |
• Dropout by site | |
• Comparison of demographics of those dropping out with those remaining | |
Contamination | • Participants asked what other services control group utilised in case report forms |
• Contamination explored in the staff focus groups and participant interviews | |
Theory testing | • Mediation analyses using questionnaire data |
• Theoretical mediators explored in the staff focus groups and participant interviews |